Automatic stop of a microinjector distinctively in the cytosol or the vacuole of plant single-cells

Hideaki Matsuoka, Yohei Yamada, Shigetoshi Horikiri, Keisuke Hatta, Tomoaki Kubo, Yasuhiro Kushihashi, Mikako Saito, Yoshiyuki Miwa

    Research output: Contribution to journalArticle

    Abstract

    A 3-channel (3C) microinjector was prepared by pulling a glass capillary. One channel was used for a potential measuring electrode (MeaE) and the other two channels were used for electrophoretic introduction electrode (IntE) and its counter electrode (CE). The 3C microinjector was propelled by an oil pressure manipulator that was driven by a pulse motor, while the MeaE output was recorded continuously. When the 3C microinjector penetrated the cell membrane of a tobacco cultured cell, BY-2, the output potential changed sharply towards the negative direction. Then the microinjector progressed further into the cell. A marked change of the output potential occurred again, though it was towards the positive direction. These changes were speculated as the passages of cell membrane and vacuolar membrane, respectively. Using the differential of these changes as the stop signal, the microinjector could rightly be stopped either in the cytosol or the vacuole, which was confirmed by the dye diffusion pattern.

    Original languageEnglish
    Pages (from-to)513-517
    Number of pages5
    JournalElectrochemistry
    Volume75
    Issue number7
    Publication statusPublished - 2007 Jul

    Fingerprint

    Electrodes
    Cell membranes
    Stepping motors
    Tobacco
    Manipulators
    Oils
    Coloring Agents
    Dyes
    Cells
    Membranes
    Glass
    Direction compound

    Keywords

    • Automatic stop
    • BY-2 cell
    • Differential of intracellular potential
    • Microinjector

    ASJC Scopus subject areas

    • Electrochemistry

    Cite this

    Matsuoka, H., Yamada, Y., Horikiri, S., Hatta, K., Kubo, T., Kushihashi, Y., ... Miwa, Y. (2007). Automatic stop of a microinjector distinctively in the cytosol or the vacuole of plant single-cells. Electrochemistry, 75(7), 513-517.

    Automatic stop of a microinjector distinctively in the cytosol or the vacuole of plant single-cells. / Matsuoka, Hideaki; Yamada, Yohei; Horikiri, Shigetoshi; Hatta, Keisuke; Kubo, Tomoaki; Kushihashi, Yasuhiro; Saito, Mikako; Miwa, Yoshiyuki.

    In: Electrochemistry, Vol. 75, No. 7, 07.2007, p. 513-517.

    Research output: Contribution to journalArticle

    Matsuoka, H, Yamada, Y, Horikiri, S, Hatta, K, Kubo, T, Kushihashi, Y, Saito, M & Miwa, Y 2007, 'Automatic stop of a microinjector distinctively in the cytosol or the vacuole of plant single-cells', Electrochemistry, vol. 75, no. 7, pp. 513-517.
    Matsuoka H, Yamada Y, Horikiri S, Hatta K, Kubo T, Kushihashi Y et al. Automatic stop of a microinjector distinctively in the cytosol or the vacuole of plant single-cells. Electrochemistry. 2007 Jul;75(7):513-517.
    Matsuoka, Hideaki ; Yamada, Yohei ; Horikiri, Shigetoshi ; Hatta, Keisuke ; Kubo, Tomoaki ; Kushihashi, Yasuhiro ; Saito, Mikako ; Miwa, Yoshiyuki. / Automatic stop of a microinjector distinctively in the cytosol or the vacuole of plant single-cells. In: Electrochemistry. 2007 ; Vol. 75, No. 7. pp. 513-517.
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